Looking to buy a size 40/50 suit must be tech air 5 compatible. SO Alpinestars tech air ready or any brand just roomy up top or lots of stretch panels. Post up what you have. I'm a NEMRR guy (New Hampshire)
https://forums.13x.com/index.php?threads/alpinestars-gp-tech-race-suit-600.381037/ Not sure if it's compatible
Here's one - https://forums.13x.com/index.php?threads/alpinestars-racing-gear-for-sale.380457/ I'm looking for 52